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Half Marathons Found In Ontario in September
View all ↓Half Marathons in Ontario in September 2025
findarace.com is Canada's favourite event discovery site. Check out our list of September 2025 Half Marathons in Ontario below.
Race Calendar: Half Marathons Found In September
Canada Army Run 2025 / Course de l’Armée du Canada : 2025
Ottawa, ON
21 Sep 25
$44.35 - $153.03
Habitat for Humanity Chatham-Kent River Run
Chatham, ON
21 Sep 25
$50.81 - $66.98
Cedar Ridge Hilly Half-Marathon & 10Km
McArthurs Mills, ON
27 Sep 25
Springbank Road Races London
London, ON
28 Sep 25
$7.69 - $89.39
Run for the Grapes Half Marathon & 5K
Lincoln, ON
28 Sep 25
$62.15 - $94.83
Run4Health 2025
Walkerton, ON
28 Sep 25
$23.83 - $93.96
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